摘要
利用低纬子午环在卯酉圈东西两边同时观测得到的一对赤纬近似相等的恒星的天顶距，可以用来绝对确定仪器的瞬时方位差。这一方法不必对方位差的变化规律作任何假设，不需要改变现有的仪器设计方案。这将有利于改善低纬子午环的观测系统。
By using the zenith distances of a pair of stars which have the almost same declinatons and are observed at the almost same moment in the east and west of the prime vertical, the instantaneous azimuth error of the instrument can be determined absolutely. In comparison with the original method, there is no superposition of the variation of the azimuth error in the present method and the original design of the instrument is not needed to be changed.Therefore, the observational system of LLMC is expected to be improved.
出处
《云南天文台台刊》
CSCD
1996年第4期50-54,共5页
Publications of the Yunnan Observatoty
